Module org.jhotdraw8.icollection

Package org.jhotdraw8.icollection.facade

Class ReadOnlyCollectionFacade<E>

java.lang.Object

org.jhotdraw8.icollection.readonly.AbstractReadOnlyCollection<E>

org.jhotdraw8.icollection.facade.ReadOnlyCollectionFacade<E>

Type Parameters:

E - the element type

All Implemented Interfaces:

Iterable<E>, ReadOnlyCollection<E>

Direct Known Subclasses:

ReadOnlySequencedCollectionFacade

public class ReadOnlyCollectionFacade<E>
extends AbstractReadOnlyCollection<E>

Provides a ReadOnlyCollection facade to a set of Collection functions.

Author:

Werner Randelshofer

Field Summary

Fields

Modifier and Type	Field	Description
protected final int	characteristics
protected final Predicate<Object>	containsFunction
protected final Supplier<Iterator<E>>	iteratorFunction
protected final IntSupplier	sizeFunction

Constructor Summary

Constructors

Constructor	Description
ReadOnlyCollectionFacade(Collection<E> c)
ReadOnlyCollectionFacade(Supplier<Iterator<E>> iteratorFunction, @Nullable IntSupplier sizeFunction, Predicate<Object> containsFunction, int characteristics)

Method Summary

Modifier and Type	Method	Description
boolean	contains(Object o)	Returns true if this collection contains the specified object.
boolean	equals(Object o)
int	hashCode()
Iterator<E>	iterator()	Returns an iterator over the elements in this collection.
int	size()	Returns the size of the collection.
Spliterator<E>	spliterator()

Methods inherited from class org.jhotdraw8.icollection.readonly.AbstractReadOnlyCollection

toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface org.jhotdraw8.icollection.readonly.ReadOnlyCollection

asCollection, characteristics, containsAll, isEmpty, stream, toArray, toArray

Field Details

iteratorFunction

protected final Supplier<Iterator<E>> iteratorFunction

sizeFunction

protected final IntSupplier sizeFunction

containsFunction

protected final Predicate<Object> containsFunction

characteristics

protected final int characteristics

Constructor Details

ReadOnlyCollectionFacade

public ReadOnlyCollectionFacade(Supplier<Iterator<E>> iteratorFunction,
 @Nullable IntSupplier sizeFunction,
 Predicate<Object> containsFunction,
 int characteristics)

ReadOnlyCollectionFacade

public ReadOnlyCollectionFacade(Collection<E> c)

Method Details

size

public int size()

Description copied from interface: ReadOnlyCollection

Returns the size of the collection.

Returns:

the size

contains

public boolean contains(Object o)

Description copied from interface: ReadOnlyCollection

Returns true if this collection contains the specified object.

Specified by:

contains in interface ReadOnlyCollection<E>

Overrides:

contains in class AbstractReadOnlyCollection<E>

Parameters:

o - an object

Returns:

true if this collection contains the specified object

iterator

public Iterator<E> iterator()

Description copied from interface: ReadOnlyCollection

Returns an iterator over the elements in this collection.

Returns:

an iterator

spliterator

public Spliterator<E> spliterator()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object